Quarter	US Dollars, monthly level
1995-01-01	-210935397.000000000
1995-04-01	-63152931.800000004
1995-07-01	-170727031.700000020
1995-10-01	-168774243.100000000
1996-01-01	-155573452.200000000
1996-04-01	-197458525.800000000
1996-07-01	-260039221.800000000
1996-10-01	-229362585.700000020
1997-01-01	63898373.299999796
1997-04-01	-186065348.200000020
1997-07-01	-296171281.200000050
1997-10-01	-271632154.700000000
1998-01-01	-235633525.900000000
1998-04-01	-106331232.300000000
1998-07-01	-138722112.600000000
1998-10-01	-222697517.500000000
1999-01-01	-55153791.399999900
1999-04-01	76049395.300000000
1999-07-01	145260229.900000000
1999-10-01	204146409.200000000
2000-01-01	61996725.400000095
2000-04-01	-10097215.999999900
2000-07-01	-161133307.200000000
2000-10-01	-297541533.400000000
2001-01-01	-310525596.900000000
2001-04-01	-405367459.400000040
2001-07-01	-333454851.000000000
2001-10-01	-461629709.599999960
2002-01-01	-562628065.500000000
2002-04-01	-546914758.900000000
2002-07-01	-416796275.400000040
2002-10-01	-499319025.200000000
2003-01-01	-456670064.900000000
2003-04-01	-224198858.100000020
2003-07-01	-397517131.300000000
2003-10-01	-663540783.800000100
2004-01-01	-408427973.200000000
2004-04-01	-398030226.000000000
2004-07-01	-557054180.600000000
2004-10-01	-488523892.900000000
2005-01-01	-488715106.100000000
2005-04-01	-514452675.599999960
2005-07-01	-608836332.100000000
2005-10-01	-877793947.100000000
2006-01-01	-697536582.800000000
2006-04-01	-616344427.200000000
2006-07-01	-1594590458.300000000
2006-10-01	-1379533425.400000000
2007-01-01	-1342431339.200000000
2007-04-01	-1002916396.700000000
2007-07-01	-989595438.700000000
2007-10-01	-1191368409.400000000
2008-01-01	-1201701276.600000000
2008-04-01	-1572025936.000000000
2008-07-01	-1616345741.800000000
2008-10-01	-1293327787.300000000
2009-01-01	-421140839.200000000
2009-04-01	-443795830.400000000
2009-07-01	-884196167.200000000
2009-10-01	-967320055.300000000
2010-01-01	-1073699578.800000100
2010-04-01	-1127233551.200000000
2010-07-01	-1309250514.399999900
2010-10-01	-1365828058.500000000
2011-01-01	-1425673411.200000000
2011-04-01	-1290467650.100000100
2011-07-01	-2897131546.799999700
2011-10-01	-2427889434.400000000
2012-01-01	-1627846476.500000000
2012-04-01	-1356634059.199999800
2012-07-01	-1949714731.700000000
2012-10-01	-2114702755.700000300
2013-01-01	-1507691831.600000100
2013-04-01	-1630721896.500000000
2013-07-01	-1738577307.700000000
2013-10-01	-1770624902.900000000
2014-01-01	-1667360837.700000000
2014-04-01	-1419909294.300000000
2014-07-01	-1433189122.300000000
2014-10-01	-1787179871.600000100
2015-01-01	-1287008382.800000200
2015-04-01	-1277727873.800000000
2015-07-01	-2281834375.700000000
2015-10-01	-2005049268.500000000
2016-01-01	-1194888271.900000000
2016-04-01	-1302883968.700000000
2016-07-01	-1550669451.200000000
2016-10-01	-1593756182.300000000
2017-01-01	-1082157086.000000000
2017-04-01	-1086352763.500000000
2017-07-01	-1088580611.500000000
2017-10-01	-1493261668.200000000
2018-01-01	-1388811830.100000100
2018-04-01	-1639000991.200000000